Cyclin-Dependent Protein Kinases and Their Regulators in Plants.

A unique feature of plant cell cycle control is that quiescent meristematic and differentiated cells of plants are capable of re-entering the cell cycle. The activation of cell division and transitions between different phases of cell cycle are controlled by a family of cyclin-dependent serine/threonine protein kinases (CDKs). Post-translational regulation of CDKs plays an important role in the maintenance and activation of cell division, and thus controls plastic development of plant tissues. Here I review CDKs and cyclins in plants and describe the current view of CDK regulation by phosphorylation.